What are some best practices for designing REST APIs?

Short answer: Use plural nouns in endpoints (/users, not /user) Use proper HTTP methods Send meaningful status codes Keep URLs simple and consistent Use pagination for large data Protect with authentication/authorization Use versioning (/api/v1/...) Validate and sanitize all inputs NPM and module-related Node.js interview questions

Real-world example (ShopNest)

A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.